Apple Macintosh PowerBook 145B - Manual (Page 61)

2. Drag the size box in any direction, and then release the
trackball button.
While you drag, an outline follows the pointer to indicate the
window’s new size. The new size takes effect when you
release the trackball button.
3. Click the zoom box near the right end of the title bar.
The window “zooms” to a size that shows all the items in
the window.
4. Click the zoom box again.
The window zooms back to its previous size (the size that you
chose in step 2).
Chapter 2: Working on the Desktop 45
Zoom box